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AT18012 — RING SET,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AT18012: RING SET,PISTON.

The RING SET,PISTON is a the manufacturer industrial component. Key specifications include standard_bore_diameter: 3.938 INCHES IN, end_item_identification: JOHN DEERE,CRAWLER LOADER,MODEL 350C, ring_set_component_parts: COMPRESSION RING 2,EXPANDER 1,OIL RING 1. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-009-2153, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AT18012
NSN: 2805-00-009-2153
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
standard_bore_diameter3.938 INCHES IN
end_item_identificationJOHN DEERE,CRAWLER LOADER,MODEL 350C
ring_set_component_partsCOMPRESSION RING 2,EXPANDER 1,OIL RING 1
piston_accommodation_quantity1
NSN2805-00-009-2153
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING SET,PISTON TITLE COMPONENT PN AT18012 MFR RING SET,PISTON
KEY FEATURES
•
RING SET COMPONENT PARTS: COMPRESSION RING 2,EXPANDER 1,OIL RING 1
•
PISTON ACCOMMODATION QUANTITY: 1
•
STANDARD BORE DIAMETER: 3.938 INCHES IN
TECHNICAL CHARACTERISTICS
RING SET COMPONENT PARTSCOMPRESSION RING 2,EXPANDER 1,OIL RING 1
PISTON ACCOMMODATION QUANTITY1
STANDARD BORE DIAMETER3.938 INCHES IN
END ITEM IDENTIFICATIONJOHN DEERE,CRAWLER LOADER,MODEL 350C
OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-000-4022 2805-00-001-0029 2805-00-001-3527 2805-00-001-3844 2805-00-001-3854 2805-00-001-6154 2805-00-001-6164 2805-00-001-6575
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AT18012?
AT18012 is a RING SET,PISTON.
What is the NSN for AT18012?
AT18012 is cataloged in the U.S. Government catalog under NSN 2805-00-009-2153. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.